Gas-producer.



No. 873,039. PATENTED DEC. l0, 1907. A. J. GIPFORD.

GAS PRODUCER.

APPLIOATION FILED JUNE 27. 1906.

2 SHBBTS-SHBET 1.

Wiinesses 50 RGB No. 873,039. PATENTED DEG. 1o, 1907.

A. J. GIPPORD.

GAS PRODUCER.

APPLIATION FILED JUNE 27. 1906.

2 SHEETS-SHEET 2- I 1;, n* WH: messes f' 20 Invenjor R65 [Vfomwn4 Alberi; CT. Gi ord.

@@M u@ *Niamey UNITED STATES PATEN T OFFICE.

ALBERT J; GIEFCRD, .or WORCESTER, MASSACHUSETTS, ASSICNCR To CHARLES n. MORGAN,

or WORCESTER, MASSACHUSETTS.

GAS-PRODUCER.

. Specicationof Letters Patent.

Patented Dec. 10, 1907.

Application filed .Tune 27. 1906. Serial No. 323.748.

To all whom 'it may concern:

sheets 11, 11, which is supplied with a water Be it known that I, ALBERT J GIFFORD, a circulation as will be hereinafter described. 55 citizen of the United States, residing at Above the cover -4 is a top plate 14supl/Vorcester, yin the county of Worcester and ported .on horizontal flanges surrounding Commonwealth of Massachusetts, have inthe manholes 5, and a horizontal flange "16 vented anew and useful Improvement in Gasfastened to the inside of the inclosing shell Producers, of which the following is a speci- 17 of the gas producer. 1 The top plate 14 is 60v Vfication accompanied by drawings, forming a provided with a central opening 18 having a part ofthe saine, in whichcover 19, of sufficient -size to enable the` Figure 1 isv a central vertical sectional twyer to be removed; the manholes 5 also view through the gas producer. Fig. 2 repextend throu h openings in the top plate 14, resents a top view of a gas producer embod and the top p ate 14, and covers 6 and 19 are 65 ing my invention with a portion of the top provided at' their edgesv with depending plate removed. Fig.A 3 is an enlarged view flan es which are sand sealed by a layer of of the upper portion of the ainiular vspace Santi as is usual in gas producers of this class.

around the combustion chamber, and Fig. 4 is an enlarged view of the lower portion `of theannular space around the combustion Chamber.

Similar reference letters and figures refer to similar parts in the different views.

My invention relates to a'n improved de. vice for feeding air to the concentric twyer of 1 a suction or downdraft gas producer locatedv at the upper end of the gas producing chamber, in whichl accomplish increased ease of repairs, and it includes means for heating the Water before it is mixed in the forni of steam with the air ori-its way to the twyer, and also means-for checking the air Supply in order to arrest thejcoinbustion in Vthe gas producing chambenvandit consists in the construction and arrangement of parts as hereinafter described and pointed out in chamber, having side walls 2 an the annexed claims.

Referring to the accompanying vdrawings 1 denotes A a combustion or gas 3, and a cover consisting of a metal plate 4 provided with manholes'5, havin covers 6, throu h which manholes the coa is supplied to t e combustion chamber 1. At the center of the plate 4 is an opening 7 provided with a suporting flange 8, upon which is held an annular removable cast iron bloelr' 9 provided with a dependingannular flange 10 upon either side -of which is bolted annular sheets reducing The top plate 14 is also provided with a sevided with covers b having depending lflanges, and which are sand Sealed and eX- tend'around the gas producer, thereby-affording an opportunity for removing the air pipes 20, aswill be hereinafter described.

Between the side Walls 2 and 3 of the gas producing chamber an annular s ace 21 is inclosed which 'communicates wit the bottom of the gas producing .chamber 1 through o enings 22, therebyaflor'ding apassage for t ie gas generated in the chamber 1 to a gas outlet 23, shown? by a dotted line in Fig. 1

-ries of elongated curved openings a pro-.

and communicating with the annular space.

The annular space 21 is'closed by an annular cover 24, provided with. an upturned annular fiange on the inside, which -incloses a depending ilange on the cover 4, and with a d e Vpending annular flange on the outside. .The

cover 24 is provided with a series of openings 25 surrounded by upturned flanges 26 which support collars 27 having depending flanges 28 surrounding the flanges 26. The flanges.' 28 are sand sealed in the usual manner. The collars 27 are attached to and support pipes 20 extending downwardly throughr the annular space 21 and telescopically inclosing at their lower ends upwardly rojecting ipes 29, having their lower en's secured in a late 30 which c'loses the ybottom of the annu ar space 21 and forms the top of an 100 annular water receptacle 31, having an annular opening 31LL to the outside air and lcommunicating with the pipes29, and containing water at a redeterniined level below4 the lower ends of t ie pipes 29, thereby allowingiair to pass upwari ly through the pipes 11, 11 of boiler plate iron extending down- Wards-into the chamber 1, thereby forming the `twyer. At the bottom of the twyer the sheets 11, 11, are joined bv a ring l2 of cast iron interposed vbetween them. I thus provide an annular .chamber 13 between the .W en the tion c Y ismaintained ,'lang'elB on the shell 17 of, the gas producer.

Infthis position a passage for air to the pipes f 2.9.is provided. When the bend 34 is turned the position shown by dotted,

upward in j linef'QBA -the water level in the receptacle 31 A The water flowing 20 which does' not enterI the I nozzles 36. In this way circulation in the/depending twyer.

` of the annular space 2-1.

the side walls 2 and 3, having- .nected with the top of 13 of the twyer.

ed above the flange 35and the passage of air to the pi es29 is prevented. In this way I cut voff t ie air supplyA to the chamber 1, therebg)r checking the combustion in the chamber. y

' 'Water is'supplied iii the formv of a' spray against the inner side of the pipes 20 by meansmfnozzles 36, and the surplus water not"taken eending current of air through the pipes 20'. down the inner surface of the pipes pipes 29 is heldin the bottom of the annular space 21 and overflows from that space into 'the receptacle 31 through the ipes 29. The wateris supplied to the nozzlles 36 by means of an annular pipe 37 which issupplied'with waterby a pipe 38 which is conthe annular chamber 4Water is introduced into the bottom of the annular chamber 13 by a pipe 39 which is connected kwith a vsource of water supply, not shown. The annular chamber 13 is therefore. kept full of water whichas it becomes heated passes to the I accomplish the lied to the ascendsop'iovide a water p The overflow ivateffrm the receptacle 31 is receivedby the ash pit 40 in which a water sealfis maintained by` an overflow pipe 41 heatingof the water sup iiigfeurrent of air and a having the overflow o erung above the lower edge .42 of the pro( ucer,

B removing the nozzles 36 and the covers of holes a I am enabled to lift the ipes 2() from the supporting flanges 26 an out I provide annular plates"43 below upturned beveled edges 44 in thefs ace 21, w ynich guide 4the pipes 20 in the annu ar space 21 to telescope on the pipes 29.

In the operation of my gas producer, coal is led to the gas producmg chamber through the openings. The overflow ipes 33are turned to maintain the water level in the.

side of the 4pipes 20 through t by passing through l by the current ofvair in the form fof steair iis caught by the receptacle 31.

'This furnishes a supply of steam to the as svaoss receptacle `31 below the depending flange35l,

thereby admitting air to the pipres 20 throng s h the pipes '29. The air passes om the pipes 2() to promote l.combustion inu the-producingvchamber through the central .t er. The gas formed'b the combustion o the :coal passes throng the openings 22 into the lannular space 21 tothe outlet 2 3, warming in 'its passage the air passing through the pipes 20. A spray of water is supplied to the ine pi e 38 and nozzles 36, having been previous y heated the annular chamber 13 n the walls of thetwyer, thereby furnishing a supply of steam to the ascending air currents in the pipes 20 and which is by them conducted into the producing chamber.

1. In a gas producer, the combination with a gas producing chamber having anannular space surrounding said chamber and con-l nected therewith, .a twyer for supplying Iair to the interior of said chamber, an air pipe 11n v said annular 'space open at 'the bottom for lthe admission oi air and open atthe top to supply air to said twyer, and means atthe top of said annular space forremovably supporting said pipe.

. 2. Ina as producer, the combination with I a gas pro space surrounding said chamber and a twyer for supplying air to the interionof said chamber, or an air pipe within said annular chamber communicating with the twyer 'of the producer, and a`pipe communicating at one end with the'outside air, saidy pipes beingy teleseoped together.

3. In a as producer, a gas pro ucing space surrounding said chamber, of a'eover for said annular space, and a twyer for su plying air tothe interior of said chamber, o a

the Acomi) nation with -series of air pipes within said annular space removably sup ranged to supp y orted by said cover, land arond series of pipes supported by the bottom 'of said annular, s ace communieatin with the ueing chamber having an annularv chamber having an annular .I

air to .said twyer, and a secoutside air an telescopi'ng with t e first series-ofair pipes.

4. In a vas producer the combination with a gas producing chamber having an annular o air pipes in said -annular space communicating with the outside air, a water recepl`taele below the lower end of said pipes and communicating therewith, and means for space surrounding said chamber,` of a'series water sealed and the for su plying air to the interior of said chamber, o a series of'l'air'pipes in said annular Vcommunicating with the outside air, and adjustable means for Water sealing the loWer ends of said pipes at will and arresting the Y. supplyof air to the gas roducing chamber.

6. In a as producer, t e combination Wit-h a gas pro ucin chamber having an annular space surroun ing said chamber and connected therewith, an air pipe in said 'annul ar space open at the bottom for the admission o air, and means for delivering Water to thc top of said pipe in contact with the inner surfaces ofv said pipe, -said means arranged to provide for the heating of said Water before it is delivered to said pipe.

7. In a gas producer, the combination with a gas producing chamber, having atwyer for supplying air to said gas producing chamber, of an air pipe for supplying air to said twyer, and means for supplyinga current of Water to said air pipe, said means including a Water circulation in contact With the-Wall of said txvyer, whereby the water supplied to said air pipe is heated.

8. In a gas producer, the combination with a gas producing chamber provided with an annular s ace surrounding-said chamber and connected) therewith, a twyer for supplying air to the interior of said chamber, air pipes in said annular space, Aand a pipe for supplying water to. said air pipes, said pipe emptying into and delivering vfrom an annular attached to said space surrounding said tvvyer, whereby said Water supplied to said .air pipes is heated.

9. In a gas producer, the combination with a gas producing chamber, a tvvyer for supplying air to said chamber, air pipes for supplying lair to said 'tvvyen means. for supplying Water to said air pipes, said means comprising a Water circulation through an annular chamber surrounding saidtwyer, whereby said Water is heated.

10. In a gas producer, the combination with a tWyer-and an annular space surrounding the combustion chamber and communieating therewith, of a series of removable air pipes inclosed in said annular space, collars pipes having depending flanges, means for sealing said depending flanges, the up er ends of said pipes communicating Wit ends-of said pipes communicating with the outside air.'

11. In a gas producer, the combination with an annular space surrounding the combustion chamber and communicating there- With, of a series of air pipes inclosed in said annular space for feeding heated air to the combustion chamber, said pipes consisting of telescopic sections.

Dated this 23rd day of June 1906.

ALBERT J. GIFFORD. Witnesses:

PENELOPE COMBERBACH, RUrUs B. FOWLER.

said tvv-yer and the lower 

